44728020 has 144 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 10951680.

The previous prime is 44728001. The next prime is 44728027. The reversal of 44728020 is 2082744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44728027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143665 + ... + 143975.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^44728020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44728020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73592064).

44728020 is an abundant number, since it is smaller than the sum of its proper divisors (102456108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44728020 is a wasteful number, since it uses less digits than its factorization.

44728020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 44728020 is about 6687.9010160139. The cubic root of 44728020 is about 354.9712864431.

The spelling of 44728020 in words is "forty-four million, seven hundred twenty-eight thousand, twenty".